Bone and cut into pieces. To make a sauce, blend until smooth the following: The 2 cans of soup, can of tomatoes and chilies and chicken broth. Set aside. Into a 2½ quart casserole (greased), place a layer of chicken, ½ of the tortillas, cut into pieces, ½ of the onion, ½ of the cheese and ½ of the sauce. Repeat the layers ending with the grated cheese. Bake uncovered for 1 hour. Bake at 350 degrees. Submitted By BARRY WEINSTEIN On 04-16-95